wphase:tutorial
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| ======= W-phase tutorial ======= | ======= W-phase tutorial ======= | ||
| - | You may also refer to [[wphase:documentation|the W-phase documentation page]], where scripts and executables are described in [[wphase:documentation#How to run W-phase|this section]], file-formats are described [[wphase:documentation#Data formats|here]]. | + | You may also refer to [[wphase:documentation|the W-phase documentation page]], where scripts and executables are described in [[wphase:documentation#How to run W-phase|this section]], input and output file-formats are described [[wphase:documentation#Data formats|here]]. |
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| Mtp: -1.190000e+28 | Mtp: -1.190000e+28 | ||
| </code> | </code> | ||
| - | (for more detailed information about file formats, please refer to [[wphase:documentation#Data formats|the "File formats" section of the W-phase documentation page]]). | ||
| - | This file correspond to the Global CMT solution except that we fixed the centroid latitute, longitude and depth to the PDE preliminary hypocenter values and that the time-shift and half duration have been fixed a priori using some initial magnitude estimate. | + | This file correspond to the Global CMT solution except that we fixed the centroid latitute, longitude and depth to the PDE preliminary hypocenter values and that the time-shift and half duration have been fixed a priori using some initial magnitude estimate (for more detailed information about file formats, please refer to [[wphase:documentation#Data formats|the "File formats" section of the W-phase documentation page]]). |
| The i_master file is the following : | The i_master file is the following : | ||
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| Each spatial and temporal location explored during the grid-search is detailed in grid_search_ts_out (time-shift grid search) grid_search_xyz_out (lat, lon, dep grid-search) and grid_search_xy_out (finer lat, lon grid-search which is performed at the optimum depth found during the lat, lon, dep global exploration). | Each spatial and temporal location explored during the grid-search is detailed in grid_search_ts_out (time-shift grid search) grid_search_xyz_out (lat, lon, dep grid-search) and grid_search_xy_out (finer lat, lon grid-search which is performed at the optimum depth found during the lat, lon, dep global exploration). | ||
| - | === Plotting the results === | + | ==== Plotting the results ==== |
| The grid-search exploration result can be displayed using the python script make_grids.py : | The grid-search exploration result can be displayed using the python script make_grids.py : | ||
| <code> | <code> | ||
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| </code> | </code> | ||
| - | The optional parameter –b activates the use of the basemap toolkit in order to draw the topography and coastlines. The resulting figures shown here in Fig. 1 and Fig. 2 are written in the pdf files grid_search_ts.pdf and grid_search_xy.pdf. | + | The optional parameter –b activates the use of the cartopy toolkit in order to draw the topography and coastlines. The resulting figures shown here in Fig. 1 and Fig. 2 are written in the pdf files grid_search_ts.pdf and grid_search_xy.pdf. |
| There are two script which allows to compare predicted and observed waveforms. | There are two script which allows to compare predicted and observed waveforms. | ||
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| The second script plot the waveform fit: | The second script plot the waveform fit: | ||
| <code> | <code> | ||
| - | ${WPHASE_HOME}/bin/traces_global.py | + | ${WPHASE_HOME}/bin/traces.py |
| </code> | </code> | ||
| - | The resulting figure is given in file wp_pages.pdf which is shown here in Fig. 4. If the basemap python module is available, a map is drawn showing the station location with respect to the centroid location. Otherwise, a simple polar representation is used to display the station location. | + | The resulting figure is given in file wp_pages.pdf which is shown here in Fig. 4. If the cartopy python module is available, a map is drawn showing the station location with respect to the centroid location. Otherwise, a simple polar representation is used to display the station location. |
wphase/tutorial.1422039174.txt.gz · Last modified: 2015/01/23 19:52 by wphase
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